Confidence level Critical value 0.90 z* 1.645 0.95 z* = 1.960 0.99 z* 2.576 353722.1630146.qx3zqy7 Start In a poll of 1000 randomly selected voters in a local election, 497 voters were in favor of school bond measures. What is the sample proportion p? Ex: 0.123 What is the margin of error m for the 90% confidence level? Ex: 0.123

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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What would be the correct answer to the attached?

Confidence level Critical value
0.90
z*
1.645
0.95
z*
= 1.960
0.99
z*
2.576
353722.1630146.qx3zqy7
Start
In a poll of 1000 randomly selected voters in a local election, 497 voters were
in favor of school bond measures.
What is the sample proportion p? Ex: 0.123
What is the margin of error m for the 90% confidence level? Ex: 0.123
Transcribed Image Text:Confidence level Critical value 0.90 z* 1.645 0.95 z* = 1.960 0.99 z* 2.576 353722.1630146.qx3zqy7 Start In a poll of 1000 randomly selected voters in a local election, 497 voters were in favor of school bond measures. What is the sample proportion p? Ex: 0.123 What is the margin of error m for the 90% confidence level? Ex: 0.123
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